Scale-up of manufacturing of printed enzyme electrodes for enzymatic power source applications

Saara Tuurala (Corresponding Author), Otto-Ville Kaukoniemi, Leo von Hertzen, Johanna Uotila, Anu Vaari, M. Bergelin, P. Sjöberg, J.-E. Eriksson, Maria Smolander

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Production of printable enzymatic power sources was scaled up from laboratory to roll-to-roll (R2R) pilot production. The anode and cathode enzymes were glucose oxidase (GOx) and laccase, respectively. The best laboratory-scale cells had a maximum power and energy density of 1.4 ± 0.1 µW cm-2 and 5.5 ± 0.2 µWh cm-2, respectively. These values are 5 and 28 times higher compared to our previously published values. The R2R-produced cells had a maximum power and energy density of 0.40 ± 0.03 µW cm-2 and 0.6 ± 0.1 µWh cm-2, respectively. This is 11 % of the best laboratory manufactured cells. It is suspected that the decrease in electrochemical performance originates from the lower mediator amount and higher drying temperature than that of the laboratory produced cells. However, the trials conducted in this work showed that printed enzymatic active layers can be fabricated and dried with a rotary screen-printing machine in R2R process. Hence, fully printed GOx//laccase power sources could be produced from R2R on a large scale for printed electronics applications.
Original languageEnglish
Pages (from-to)881-892
Number of pages12
JournalJournal of Applied Electrochemistry
Volume44
Issue number7
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Keywords

  • printed electronics
  • biofuel cells
  • bioenergy
  • enzymatic power sources

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